| Wittwer, Alfred Richard Erich | 1922 | Bremen 1 | |
| Wittwer, Andreas Gustav | 1921 | Hemelingen | |
| Wittwer, Caroline Magdalene | 1897 | Hemelingen | |
| Wittwer, Emma Erna | 1936 | Bremen 1 | |
| Wittwer, Ernst Hermann | 1907 | Hemelingen | |
| Wittwer, Georg Andreas | 1935 | Bremen 1 | |
| Wittwer, Gottlieb Hermann | 1877 | Hemelingen | |
| Wittwer, Julius Christian Emanuel Adolf Eduard Reinhold | 1932 | Bremen 1 |